Fujitsu GENERAL AUHG18LVLB - Outdoor Unit Refrigerant Circuit; AOHG18 LBCB Circuit Diagram

4. Refrigerant circuit
4-1. Model: AOHG18LBCB
Strainer
Strainer
3-way
valve
2-way
valve
Muffler
4-way valve
Expansion valve
Heat exchanger
Heat exchanger
(INDOOR)
(OUTDOOR)
Compressor
Cooling
Heating
Th
D
Th
R
Th
O
Th
HO
: Thermistor (Discharge temperature)
: Thermistor (Outdoor temperature)
: Thermistor (Heat exchanger out temperature)
Th
D
Th
O
Th
HO
: Thermistor (Room temperature)
Th
R
Muffler
Accumulator
Th
HO
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4-1. Model: AOHG18LBCB 4. Refrigerant circuit
OUTDOOR UNIT AOHG18-24LBCB OUTDOOR UNIT AOHG18-24LBCB